Curated resource guide
WordPress Monitoring and Observability
Know when a WordPress site is failing, slowing down, or drifting from its expected state before users report it. These resources cover uptime checks, logs, APM, frontend errors, real-user performance, cron and queues, infrastructure health, security events, backups, alert design, dashboards, SLOs, and incident timelines.
Scope
What this guide covers
- Uptime monitoring
- synthetic checks
- HTTP status and response-time monitoring
- PHP and web-server logs
- WordPress debug logs
- database slow-query logs
- APM
- error tracking
- frontend JavaScript errors
- Core Web Vitals/RUM
- cron and queue monitoring
- SSL and domain expiry
- DNS
- disk/memory/CPU
- PHP workers
- database health
- security events
- backup status
- plugin/theme/core version monitoring
- email delivery
- alert routing
- dashboards
- baselines
- SLOs
- incident timelines
- and reducing noisy alerts
Selected references
Curated resources
Links open the original publisher so you can use the complete, current material in context.
- 01Recommended starting point
WordPress Monitoring
The official WordPress overview of file, traffic, behavior, and integrity signals worth watching.
developer.wordpress.org - 02
Site Health API
Extend or interpret WordPress Site Health tests, debug information, status checks, and scheduled health work.
developer.wordpress.org - 03
Debugging in WordPress
Official guidance for debug constants, logs, script diagnostics, and safe investigation during local development.
developer.wordpress.org - 04
Query Monitor
See query timing, PHP errors, HTTP requests, hooks, scripts, and request context while diagnosing WordPress.
wordpress.org - 05
Action Scheduler
A scalable WordPress job queue with logging, retries, batches, administration screens, and WP-CLI operations.
actionscheduler.org - 06
OpenTelemetry for PHP
Instrument PHP services with vendor-neutral traces, metrics, logs, context propagation, and exporters.
opentelemetry.io - 07
Sentry for PHP
First-party integration guidance for capturing PHP errors, traces, releases, and useful request context from WordPress.
docs.sentry.io